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111911-81-0

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111911-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111911-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,9,1 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111911-81:
(8*1)+(7*1)+(6*1)+(5*9)+(4*1)+(3*1)+(2*8)+(1*1)=90
90 % 10 = 0
So 111911-81-0 is a valid CAS Registry Number.

111911-81-0Downstream Products

111911-81-0Relevant articles and documents

Studies on 1-Alkyl-2(1H)-pyridone Derivatives. XXX. Reactions of 1-Alkyl-2(1H)-pyridones with Fumaric Acid Monomethyl Ester and Acrylic Acid

Tomisawa, Hiroshi,Hongo, Hiroshi,Hatano, Toshimitsu,Nakano, Hiroto,Fujita, Reiko

, p. 530 - 534 (2007/10/02)

Studies aimed at the synthesis of 6-azabicyclooctane derivatives from 1-alkyl-2(1H)-pyridones (Ia-d) were carried out.Reactions of 1a-d with fumaric acid monomethyl ester and acrylic acid gave 6-alkyl-8-endo-methoxycarbonyl-7-oxo-6-azabicyclo3.2.1

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